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1.1 root 1: /* ds_remove.c - */
2:
3: #ifndef lint
4: static char *rcsid = "$Header: /f/osi/quipu/RCS/ds_remove.c,v 7.0 89/11/23 22:17:15 mrose Rel $";
5: #endif
6:
7: /*
8: * $Header: /f/osi/quipu/RCS/ds_remove.c,v 7.0 89/11/23 22:17:15 mrose Rel $
9: *
10: *
11: * $Log: ds_remove.c,v $
12: * Revision 7.0 89/11/23 22:17:15 mrose
13: * Release 6.0
14: *
15: */
16:
17: /*
18: * NOTICE
19: *
20: * Acquisition, use, and distribution of this module and related
21: * materials are subject to the restrictions of a license agreement.
22: * Consult the Preface in the User's Manual for the full terms of
23: * this agreement.
24: *
25: */
26:
27:
28: #include "quipu/util.h"
29: #include "quipu/entry.h"
30: #include "quipu/remove.h"
31:
32: extern int encode_DAS_RemoveEntryArgumentData();
33: extern LLog * log_dsap;
34: extern int local_master_size;
35:
36: do_ds_removeentry (arg, error, binddn, target, di_p, dsp)
37: struct ds_removeentry_arg *arg;
38: struct DSError *error;
39: DN binddn;
40: DN target;
41: struct di_block **di_p;
42: char dsp;
43: {
44: Entry entryptr;
45: char * new_version ();
46: int retval;
47: extern int read_only;
48:
49: DLOG (log_dsap,LLOG_TRACE,("ds remove entry"));
50:
51: if (!dsp)
52: target = arg->rma_object;
53:
54: /* stop aliases being dereferenced */
55: arg->rma_common.ca_servicecontrol.svc_options |= SVC_OPT_DONTDEREFERENCEALIAS;
56:
57: if (target == NULLDN) {
58: error->dse_type = DSE_NAMEERROR;
59: error->ERR_NAME.DSE_na_problem = DSE_NA_NOSUCHOBJECT;
60: error->ERR_NAME.DSE_na_matched = NULLDN;
61: return (DS_ERROR_REMOTE);
62: }
63:
64: switch(find_entry(target,&(arg->rma_common),binddn,NULLDNSEQ,TRUE,&(entryptr), error, di_p))
65: {
66: case DS_OK:
67: /* Filled out entryptr - carry on */
68: break;
69: case DS_CONTINUE:
70: /* Filled out di_p - what do we do with it ?? */
71: return(DS_CONTINUE);
72:
73: case DS_X500_ERROR:
74: /* Filled out error - what do we do with it ?? */
75: return(DS_X500_ERROR);
76: default:
77: /* SCREAM */
78: LLOG(log_dsap, LLOG_EXCEPTIONS, ("do_ds_remove() - find_entry failed"));
79: return(DS_ERROR_LOCAL);
80: }
81:
82: /* entry found, so remove it */
83:
84: /* Strong authentication */
85: if ((retval = check_security_parms((caddr_t) arg,
86: encode_DAS_RemoveEntryArgumentData,
87: arg->rma_common.ca_security,
88: arg->rma_common.ca_sig, &binddn)) != 0)
89: {
90: error->dse_type = DSE_SECURITYERROR;
91: error->ERR_SECURITY.DSE_sc_problem = retval;
92: return (DS_ERROR_REMOTE);
93: }
94:
95: if (read_only || entryptr->e_parent->e_lock) {
96: error->dse_type = DSE_SERVICEERROR;
97: error->ERR_SERVICE.DSE_sv_problem = DSE_SV_UNAVAILABLE;
98: return (DS_ERROR_REMOTE);
99: }
100:
101: /* not prepared to accept operation over DSP */
102: if (dsp) {
103: error->dse_type = DSE_SECURITYERROR;
104: error->ERR_SECURITY.DSE_sc_problem = DSE_SC_AUTHENTICATION;
105: return (DS_ERROR_REMOTE);
106: }
107:
108: if ( ! (entryptr->e_leaf)) {
109: error->dse_type = DSE_UPDATEERROR;
110: error->ERR_UPDATE.DSE_up_problem = DSE_UP_NOTONNONLEAF;
111: return (DS_ERROR_REMOTE);
112: }
113:
114: if ( ((entryptr->e_parent->e_data == E_TYPE_CONSTRUCTOR) && (check_acl (binddn,ACL_WRITE,entryptr->e_acl->ac_entry, target) == NOTOK))
115: || (check_acl (binddn, ACL_WRITE, entryptr->e_parent->e_acl->ac_child, target) == NOTOK)) {
116: error->dse_type = DSE_SECURITYERROR;
117: error->ERR_SECURITY.DSE_sc_problem = DSE_SC_ACCESSRIGHTS;
118: return (DS_ERROR_REMOTE);
119: }
120:
121:
122: if (entryptr->e_sibling == NULLENTRY) {
123: /* This is a complex situation.
124: We have been asked to remove the last node at one level,
125: This means the parent has become a leaf. The parent however may be
126: held in another DSA - which will need updating.
127: Also the edbinfo attribute will need modifing.
128: Leave till later...
129: */
130: if (entryptr->e_parent->e_data != E_DATA_MASTER) {
131: error->dse_type = DSE_UPDATEERROR;
132: error->ERR_UPDATE.DSE_up_problem = DSE_UP_AFFECTSMULTIPLEDSAS;
133: } else {
134: error->dse_type = DSE_SERVICEERROR;
135: error->ERR_SERVICE.DSE_sv_problem = DSE_SV_UNWILLINGTOPERFORM;
136: }
137: return (DS_ERROR_REMOTE);
138: }
139:
140: /* unlink the removed node it */
141: entryptr->e_parent->e_child = entryptr->e_sibling;
142: if (entryptr->e_parent->e_edbversion)
143: free (entryptr->e_parent->e_edbversion);
144: entryptr->e_parent->e_edbversion = new_version();
145:
146: if (journal (entryptr->e_sibling) != OK)
147: fatal (-35,"remove rewrite fail - check database");
148:
149: entry_free (entryptr);
150: local_master_size--;
151: return (DS_OK);
152:
153: }
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